Short interest in iShares California Muni Bond ETF (ARCA:CMF) increased during the last reporting period, rising from 22.63K to 767.80K. This put -% of the company's publicly available shares short.

Based on the recent average volume of 1.71M shares traded per day, it would take 1 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.